griffon/util/CallableClosure.java

`CallableClosure.java`
`01 /* 02 * Copyright 2009-2012 the original author or authors. 03 * 04 * Licensed under the Apache License, Version 2.0 (the "License"); 05 * you may not use this file except in compliance with the License. 06 * You may obtain a copy of the License at 07 * 08 * http://www.apache.org/licenses/LICENSE-2.0 09 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package griffon.util; 17 18 import groovy.lang.Closure; 19 20 import java.util.concurrent.Callable; 21 22 /** 23 * Helper class that executes a Closure as Callable. 24 * 25 * @author Andres Almiray 26 */ 27 public class CallableClosure<V> implements Callable<V> { 28 private final Closure closure; 29 30 public CallableClosure(Closure closure) { 31 this.closure = closure; 32 } 33 34 public V call() { 35 return (V) closure.call(); 36 } 37 }`